3647770

Information

• Patent Grant
• 3647770

• References
• Source

• Patent Number

  3,647,770

• Date Filed

  Not available

• Date Issued

  Tuesday, March 7, 1972
  52 years ago

• CPC

  • D06M13/402 - Amides imides, sulfamic acids
  • D01F6/18 - from polymers of unsaturated nitriles
  • D01F6/38 - comprising unsaturated nitriles as the major constituent
  • D01F9/225 - from stabilised polyacrylonitriles
  • D06M11/17 - Halides of elements of the third Group of the Periodic System
  • D06M11/20 - Halides of elements of the fourth Group of the Periodic System
  • D06M11/28 - Halides of elements of the eighth Group of the Periodic System
  • D06M11/55 - with sulfur trioxide with sulfuric acid or thiosulfuric acid or their salts
  • D06M11/81 - with boron with boron halides with fluoroborates

• US Classifications

  • 525 - Synthetic resins or natural rubbers
  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 423 - Chemistry of inorganic compounds